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Donald G. Armstrong, PE

Don Armstrong

Principal Consultant

Construction & Engineering Industry Expert

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Donald Armstrong, a principal advisory consultant with Interface Consulting, has over 40 years of domestic and international construction management experience encompassing general, heavy, civil, and marine construction. In his tenure as a former director for a top ENR 100 international construction firm and in overseeing operations for Interface Consulting, Mr. Armstrong is an authority in construction and project management and claims preparation and analysis. His experience includes international construction project management, claims management, as well as management consulting.                       


Licensed Professional Engineer – State of New York


Master of Business Administration
Cornell University – Ithaca, New York

Bachelor of Civil Engineering
Cornell University – Ithaca, New York

Work History

Interface Consulting International, Inc.

Principal Advisory Consultant
  •  Analyzes troubled projects and recommends remedial actions
  •  Advises on claims avoidance and dispute resolution practices
  •  Manages evaluation of construction claims
  •  Provides litigation support as a consulting and testifying expert
  •  Advises on construction contracting strategies

Raymond International Inc.

Director, Senior Vice President, & Project Manager

Dravo Corporation

Scheduling Engineer

Raymond International Inc.

Field Engineer, Chief Office Engineer

U.S. Army, Corps of Engineers


Professional Affiliations

Member – American Society of Civil Engineers (ASCE)
Member – The Moles
Associate Member – Associated Builders & Contractors (ABC)
Associate Member – Associated General Contractors (AGC)

Speaking Engagements

“Construction Claims in Texas,” Lorman Education Services Seminar, Houston, Texas, April 2002.

“Construction Claims in Louisiana,” Lorman Education Services Seminar, New Orleans, Louisiana, December 2001.

“Construction Claims in Texas,” Lorman Education Services Seminar, Houston, Texas, April 2001.

“Construction Claims in Texas,” Lorman Education Services Seminar, Houston, Texas, April 2000.

“How to Deal with Unreasonable Subcontract Clauses and Still Get the Work,” Mechanical Contractors Association (MCA) of Houston Seminar, Houston, Texas, November 1991.

“Managing to Resolve Change Orders & Avoid Claims in a Difficult Environment,” Austin Contractors and Engineers’ Association, Austin, Texas, November 1991.

“Change Order Management/Claims Avoidance,” Associated General Contractors of America (AGC) Seminar, Houston, Texas, October 1991.

“Change Order and Claims Management,” Houston Contractors Association (HCA) Seminar, Houston, Texas, May 1991.

“Documentation: The Key to Avoiding Disputes,” Associated General Contractors (AGC) Texas Building Branch Convention, South Padre Island, Texas, May 1990.